diff --git a/cli/cppcheckexecutor.cpp b/cli/cppcheckexecutor.cpp
index 1e5cdb3c5..5066ff3d3 100644
--- a/cli/cppcheckexecutor.cpp
+++ b/cli/cppcheckexecutor.cpp
@@ -53,7 +53,7 @@
 #   include <ucontext.h>
 
 #   undef _XOPEN_SOURCE
-#elif !defined(__OpenBSD__)
+#elif !defined(__OpenBSD__) && !defined(__HAIKU__)
 #   include <ucontext.h>
 #endif
 #ifdef __linux__
diff --git a/cli/threadexecutor.cpp b/cli/threadexecutor.cpp
index b1b3c6ffc..c7b2e1fad 100644
--- a/cli/threadexecutor.cpp
+++ b/cli/threadexecutor.cpp
@@ -149,7 +149,7 @@ int ThreadExecutor::handleRead(int rpipe, unsigned int &result)
 
 bool ThreadExecutor::checkLoadAverage(size_t nchildren)
 {
-#if defined(__CYGWIN__) || defined(__QNX__)  // getloadavg() is unsupported on Cygwin, Qnx.
+#if defined(__CYGWIN__) || defined(__QNX__) || defined(__HAIKU__)  // getloadavg() is unsupported on Cygwin, Qnx, Haiku.
     return true;
 #else
     if (!nchildren || !mSettings.loadAverage) {